New build flag system, convert Google Now flag

chrome/browser/profiles/profile.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/profiles/profile.h"
 
 #include <string>
 
 #include "base/prefs/pref_service.h"
 #include "build/build_config.h"
@@ skipping 80 matching lines @@
       true,
       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
   registry->RegisterBooleanPref(prefs::kSafeBrowsingExtendedReportingEnabled,
                                 false);
   registry->RegisterBooleanPref(prefs::kSafeBrowsingProceedAnywayDisabled,
                                 false);
   registry->RegisterBooleanPref(prefs::kSSLErrorOverrideAllowed, true);
   registry->RegisterDictionaryPref(prefs::kSafeBrowsingIncidentsSent);
   registry->RegisterBooleanPref(
       prefs::kSafeBrowsingExtendedReportingOptInAllowed, true);
-#if defined(ENABLE_GOOGLE_NOW)
+#if BUILDFLAG(ENABLE_GOOGLE_NOW)

[Mark Mentovai, 2015/11/19 21:52:56]

Include what you use.

   registry->RegisterBooleanPref(prefs::kGoogleGeolocationAccessEnabled, false);
 #endif
   // This pref is intentionally outside the above #if. That flag corresponds
   // to the Notifier extension and does not gate the launcher page.
   // TODO(skare): Remove or rename ENABLE_GOOGLE_NOW: http://crbug.com/459827.
   registry->RegisterBooleanPref(prefs::kGoogleNowLauncherEnabled, true);
   registry->RegisterBooleanPref(prefs::kDisableExtensions, false);
 #if defined(ENABLE_EXTENSIONS)
   registry->RegisterBooleanPref(extensions::pref_names::kAlertsInitialized,
                                 false);
@@ skipping 94 matching lines @@
   if (a->IsSameProfile(b))
     return false;
   return a->GetOriginalProfile() < b->GetOriginalProfile();
 }
 
 double Profile::GetDefaultZoomLevelForProfile() {
   return GetDefaultStoragePartition(this)
       ->GetHostZoomMap()
       ->GetDefaultZoomLevel();
 }